>> woodruff: summer travelers also flocked to philadelphia where the declaration of independence was signed. cindy richter from kentucky was there with her family. >> oh, it's phenomenal they can have an appreciation for where it all began and where our country began. >> woodruff: and in new york, contestants faced off inçç nathan's 96th annual fourth of july hot-dog eating contest, adding some pink, to the red, white, and blue. in the big apple and elsewhere, the day will end with the usual bursts of color, lighting the night sky-- a once-a-year moment, cherished by millions. but, in some places, this year, the sky will be silent. raging wildfires and dry weather in arizona, new mexico, and texas have forced authorities to cancel fourth of july fireworks in certain areas. >> a lot of people are going to be really disappointed, i thinkç >> woodruff: the patriotic spirit isn't felt only in the united states.